542404102 has 4 divisors (see below), whose sum is σ = 813606156. Its totient is φ = 271202050.

The previous prime is 542404097. The next prime is 542404141. The reversal of 542404102 is 201404245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135601024 + ... + 135601027.

It is an arithmetic number, because the mean of its divisors is an integer number (203401539).

Almost surely, 2^542404102 is an apocalyptic number.

542404102 is a deficient number, since it is larger than the sum of its proper divisors (271202054).

542404102 is a wasteful number, since it uses less digits than its factorization.

542404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271202053.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 542404102 is about 23289.5706701519. The cubic root of 542404102 is about 815.5319657971.

Adding to 542404102 its reverse (201404245), we get a palindrome (743808347).

The spelling of 542404102 in words is "five hundred forty-two million, four hundred four thousand, one hundred two".